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All results from a given calculation for H2CNCN (cyanamide, methylene)

using model chemistry: TPSSh/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at TPSSh/daug-cc-pVDZ
 hartrees
Energy at 0K-186.895997
Energy at 298.15K 
HF Energy-186.895997
Nuclear repulsion energy91.842960
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at TPSSh/daug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3201 3201 6.03 91.31 0.60 0.75
2 A' 3071 3071 19.39 113.61 0.09 0.17
3 A' 2265 2265 29.38 233.11 0.23 0.37
4 A' 1680 1680 23.01 63.04 0.20 0.34
5 A' 1499 1499 13.06 28.62 0.37 0.54
6 A' 1214 1214 10.34 2.81 0.68 0.81
7 A' 951 951 5.35 2.47 0.03 0.05
8 A' 621 621 3.22 5.09 0.16 0.27
9 A' 249 249 5.63 8.75 0.44 0.62
10 A" 1095 1095 20.06 0.89 0.75 0.86
11 A" 773 773 0.87 1.80 0.75 0.86
12 A" 360 360 6.78 0.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8488.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8488.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/daug-cc-pVDZ
ABC
2.24446 0.17770 0.16466

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.106 -1.565 0.000
N2 -0.601 -0.493 0.000
C3 0.000 0.709 0.000
N4 0.400 1.811 0.000
H5 -0.425 -2.519 0.000
H6 1.202 -1.572 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28442.27673.38851.09151.0965
N21.28441.34392.51142.03402.1015
C32.27671.34391.17183.25602.5783
N43.38852.51141.17184.40753.4763
H51.09152.03403.25604.40751.8827
H61.09652.10152.57833.47631.8827

picture of cyanamide, methylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 120.034 N2 C1 H5 117.531
N2 C1 H6 123.738 N2 C3 N4 173.372
H5 C1 H6 118.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.530      
2 N 0.628      
3 C 0.500      
4 N -0.486      
5 H -0.602      
6 H -0.569      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.474 -4.485 0.000 4.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.705 0.343 0.000
y 0.343 9.281 0.000
z 0.000 0.000 3.723


<r2> (average value of r2) Å2
<r2> 71.221
(<r2>)1/2 8.439